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  Chester - Demographic History
County DETAILS
Parents > United States > Pennsylvania > PA Counties > Chester  
Websitehttp://dsf.chesco.org/
Established January 01, 1682
Disbanded Still Active
Last ModifiedScottĀ³ July 18, 2011 08:43am
DescriptionChester County was one of the three original counties in the
Colony of Pennsylvania (the other two being
Philadelphia and Bucks), established in 1682.

Chester County has a Census 2000 population of 433,501.
This is an increase of 57,105 persons or 15.2% since 1990.
This increase is slightly less than the population change that
occurred from 1980 to 1990, when the population grew by
59,736 persons or 18.9%.

Tredyffrin Township has the largest population in Chester County (29,062).

Chester County is the 7th largest county in Pennsylvania in total population.

County Seat is West Chester, with a population of 17,861 (2000).

Coatesville is the only city in Chester County (listed 2nd in the municipalities after the county seat.)

Boroughs are listed next, followed by Townships.


INFORMATION
DatePopulation
Apr 01, 2020
Population
534,413 (100%)
Apr 01, 2010
Population
498,886 (100%)
Jul 01, 2009
Population
498,894 (100%)
Jul 01, 2008
Population
493,281 (100%)
Jul 01, 2007
Population
487,567 (100%)
Jul 01, 2006
Population
480,200 (100%)
Jul 01, 2005
Population
471,562 (100%)
Jul 01, 2004
Population
463,900 (100%)
Jul 01, 2003
Population
455,877 (100%)
Jul 01, 2002
Population
448,746 (100%)
Jul 01, 2001
Population
441,763 (100%)
Jul 01, 2000
Population
435,829 (100%)
Apr 01, 1990
Population
376,396 (100%)
Apr 01, 1980
Population
316,660 (100%)
Apr 01, 1970
Population
278,311 (100%)
Apr 01, 1960
Population
210,608 (100%)
Apr 01, 1950
Population
159,141 (100%)
Apr 01, 1940
Population
135,626 (100%)
Apr 01, 1930
Population
126,629 (100%)
Jan 01, 1920
Population
115,120 (100%)
Apr 15, 1910
Population
109,213 (100%)
Jun 01, 1900
Population
95,695 (100%)
Jun 02, 1890
Population
89,377 (100%)
Jun 01, 1880
Population
83,481 (100%)
Jun 01, 1870
Population
77,805 (100%)
Jun 01, 1860
Population
74,578 (100%)
Jun 01, 1850
Population
66,438 (100%)
Jun 01, 1840
Population
57,515 (100%)
Jun 01, 1830
Population
50,910 (100%)
Aug 07, 1820
Population
44,451 (100%)
Aug 06, 1810
Population
39,596 (100%)
Aug 04, 1800
Population
32,093 (100%)
Aug 02, 1790
Population
27,937 (100%)